Convert thumbnails to service trace provider

This converts the thumbnails service to use the service trace provider.

services/thumbnails/pkg/server/grpc/server.go

@@ -31,6 +31,7 @@ func NewService(opts ...Option) grpc.Service {
 		grpc.Context(options.Context),
 		grpc.Flags(options.Flags...),
 		grpc.Version(version.GetString()),
+		grpc.TraceProvider(options.TraceProvider),
 	)
 	if err != nil {
 		options.Logger.Fatal().Err(err).Msg("Error creating thumbnail service")
@@ -70,7 +71,7 @@ func NewService(opts ...Option) grpc.Service {
 		)
 		thumbnail = decorators.NewInstrument(thumbnail, options.Metrics)
 		thumbnail = decorators.NewLogging(thumbnail, options.Logger)
-		thumbnail = decorators.NewTracing(thumbnail)
+		thumbnail = decorators.NewTracing(thumbnail, options.TraceProvider)
 	}
 
 	_ = thumbnailssvc.RegisterThumbnailServiceHandler(